How to Clear Cache & Temp Files in Windows 11 Safely

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Over time, Windows 11 stores temporary files, cached data, and system leftovers that can slow down your PC, consume storage, and even cause performance issues. While cache files are useful for speeding up processes, too much cached data becomes counterproductive.

In this guide, you’ll learn all safe and working methods to clear cache and temporary files in Windows 11—without affecting your personal files, apps, or system stability.

What Are Cache & Temp Files in Windows 11?

Before cleaning, it helps to know what you’re removing.

Cache Files

Cache files store frequently used data to speed up apps and system processes, including:

  • App cache

  • Microsoft Store cache

  • Browser cache

  • Windows Update cache

  • DNS cache

Temporary Files

Temporary files are created during installations, updates, and normal system usage, such as:

  • Temp setup files

  • Crash dump files

  • Old update files

  • Delivery Optimization files

These files are safe to delete when no longer needed.

Is It Safe to Clear Cache & Temp Files?

Yes—when done correctly. Windows 11 provides built-in tools that remove only unnecessary files while protecting system components.

⚠️ Avoid deleting:

  • Files from unknown system folders

  • Registry entries using unsafe tools

  • Active system files while apps are running

Method 1: Clear Cache & Temp Files Using Windows Settings (Recommended)

This is the safest and easiest method.

Steps:

  1. Press Windows + I to open Settings

  2. Go to System → Storage

  3. Click Temporary files

  4. Select the files you want to remove:

    • Temporary files

    • Thumbnails

    • Delivery Optimization files

    • Recycle Bin (optional)

  5. Click Remove files

✅ This method is officially supported and risk-free.

Method 2: Clear Temp Files Using Run Command

This removes user-level temporary files.

Steps:

  1. Press Windows + R

  2. Type:

    %temp%

  3. Press Enter

  4. Select all files (Ctrl + A)

  5. Press Delete

  6. Skip files that are currently in use

📌 These files are safe to remove and are recreated automatically if needed.

Method 3: Delete Temp Files Using Windows Temp Folder

This clears system-wide temporary files.

Steps:

  1. Press Windows + R

  2. Type:

    temp

  3. Press Enter

  4. Delete all files and folders

  5. Click Skip for locked files

💡 Some files can’t be deleted while Windows is running—this is normal.

Method 4: Clear Cache Using Disk Cleanup Tool

Disk Cleanup still works perfectly in Windows 11.

Steps:

  1. Press Windows + S

  2. Search for Disk Cleanup

  3. Select your system drive (usually C:)

  4. Check:

    • Temporary files

    • Thumbnails

    • System error memory dump files

    • DirectX Shader Cache

  5. Click OK → Delete Files

🔒 This tool removes only non-critical system cache.

Method 5: Clear Microsoft Store Cache

If Microsoft Store apps are slow or stuck, clear its cache.

Steps:

  1. Press Windows + R

  2. Type:

    wsreset

  3. Press Enter

  4. Wait for Microsoft Store to open automatically

🛠 This fixes Store download and update issues.

Method 6: Clear Browser Cache (Edge, Chrome, Firefox)

Browsers store large cache files over time.

Microsoft Edge:

  1. Open Edge

  2. Press Ctrl + Shift + Delete

  3. Select Cached images and files

  4. Click Clear now

Google Chrome:

  1. Press Ctrl + Shift + Delete

  2. Select Cached images and files

  3. Click Clear data

Firefox:

  1. Press Ctrl + Shift + Delete

  2. Select Cache

  3. Click Clear Now

⚠️ Do not select passwords unless you want to remove saved logins.

Method 7: Clear DNS Cache

Helps fix slow internet or website loading errors.

Steps:

  1. Search Command Prompt

  2. Right-click → Run as administrator

  3. Enter:

    ipconfig /flushdns

  4. Press Enter

🌐 DNS cache is rebuilt automatically.

Method 8: Enable Storage Sense (Automatic Cleanup)

Storage Sense automatically clears cache and temp files.

Steps:

  1. Open Settings

  2. Go to System → Storage

  3. Turn Storage Sense ON

  4. Click Storage Sense

  5. Configure cleanup frequency

⏱ Ideal for long-term maintenance.

How Often Should You Clear Cache in Windows 11?

Usage Type Recommended Frequency
Regular users Once a month
Low storage PCs Every 2 weeks
Heavy app usage Weekly
Performance issues Immediately

Benefits of Clearing Cache & Temp Files

✔ Frees up disk space
✔ Improves system speed
✔ Fixes app crashes
✔ Solves update errors
✔ Reduces system clutter

What Happens After Clearing Cache?

  • Windows may feel slightly slower on first launch (cache rebuild)

  • Apps recreate needed cache automatically

  • No personal data is deleted

Final Thoughts

Clearing cache and temporary files in Windows 11 is safe, simple, and highly effective when using the right methods. Stick to built-in tools like Settings, Disk Cleanup, and Storage Sense for the best results.

Regular cleanup keeps your system fast, stable, and clutter-free—without risking data loss.

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